diff --git a/.agents/skills/openclaw-changelog-update/scripts/verify-release-notes.mjs b/.agents/skills/openclaw-changelog-update/scripts/verify-release-notes.mjs
index e7229fb9f600..2c686b2a2ddb 100644
--- a/.agents/skills/openclaw-changelog-update/scripts/verify-release-notes.mjs
+++ b/.agents/skills/openclaw-changelog-update/scripts/verify-release-notes.mjs
@@ -1084,7 +1084,7 @@ function sourceCommits(base, target, mainRef) {
   );
   const provenanceOverrides = collectReleaseProvenanceOverrides(activeCommits);
   const mainCommits = canonicalMainCommits(base, mainRef);
-  const mainCommit = gitCommit(mainRef, true);
+  const mainCommit = provenanceOverrides.size > 0 ? gitCommit(mainRef, true) : undefined;
   const mainCommitsByHash = new Map(mainCommits.map((commit) => [commit.hash, commit]));
   const mainCommitsBySubject = new Map();
   for (const commit of mainCommits) {